Question

If the sum of the zeroes of the polynomial f(x) = 2x 3 – 3kx 2 + 4x -5 is 6, then the value of k is

Answer 1

Answer:

Let the two zeroes of one polynomial

f(x) = 4x2 – 5k - 9 be a, -a

αχα

ta? +9

a = +3

2 8k 4 =

Sum of zeroes =

Hence 8k = 0

Ork = 0

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